Hello Alberto,
Yes that helped big time! Thanks.
I'm also using the DOMImplementation to form a DOM tree and to get the
DOMElement and DOMDocument as below:
DOMImplementation* impl =
DOMImplementationRegistry::getDOMImplementation(X("Core"))
XERCES_CPP_NAMESPACE::DOMDocument* doc = impl->createDocument(
X("xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\""),// root
element namespace URI.
X("SPG_Root"), // root element name
0);
// document type object (DTD).
DOMNode* m_ppRootDOMNode = doc->getDocumentElement();
DOMDocument* m_ppDOMDocument = doc;
This snippet is in a function.
The m_ppDOMDocument is returned from the function after which it is used
in a lot of places.
Hence,it will not be correct if I do a release on the "doc" variable in
this snippet.Am I right?
Should I be calling release on the m_ppDOMDocument once I'm done using
the DOM Tree?
Is it not necessary to call a release on the m_ppRootDOMNode?
I'm asking you this because the memory validator tool is pointing to the
DOMDocumentImpl for the memory leak as below:
DOMDocumentImpl::DOMDocumentImpl(unsigned short const*, unsigned short
const*,class xerces_2_2::DOMDocumentType*)
Which in turn is shown to be calling
DOMDocumentImpl::allocate(unsigned int)
And this is shown as the ultimate point of the memory leak
Will this be the correct way of doing it?
Thanks,
Pranav
-----Original Message-----
From: Alberto Massari (JIRA) [mailto:[EMAIL PROTECTED]
Sent: Thursday, November 02, 2006 1:52 PM
To: [email protected]
Subject: [jira] Commented: (XERCESC-1279) Memory leak with writeToString
in DOMWriter
[
http://issues.apache.org/jira/browse/XERCESC-1279?page=comments#action_1
2446501 ]
Alberto Massari commented on XERCESC-1279:
------------------------------------------
Yes, you should call release() instead of delete, in order to be sure to
use the proper memory manager
> Memory leak with writeToString in DOMWriter
> -------------------------------------------
>
> Key: XERCESC-1279
> URL: http://issues.apache.org/jira/browse/XERCESC-1279
> Project: Xerces-C++
> Issue Type: Bug
> Affects Versions: 2.5.0
> Reporter: Dee
> Priority: Critical
> Attachments: xerces_leak.JPG
>
>
> Hi All,
> I have a very critical issue and we a re trying to implement this in
our mission critical application..
> I'm trying to use writeToString in DOMWriter using the function
> GetXmlString below ----> I am getting a memory leak proportionate to
the size of document been serialized.
> I'm unable to free up the memory allocated .
> Is it something else we need to do ensure that the leak is closed..
> Kindly suggest..
> std::string GetXmlString(DOMNode *pNode) { std::string sXML = ""; try
> {
> DOMImplementation* impl =
> DOMImplementationRegistry::getDOMImplementation(X("Core"));
> // get the XML string out of the DOM
> DOMWriter *theSerializer = impl->createDOMWriter(); XMLCh *xXml =
> theSerializer->writeToString(*pNode);
> char *pChar = XMLString::transcode(xXml); sXML = pChar;
> XMLString::release(&pChar); XMLString::release(&xXml); delete
> theSerializer; // delete impl; // theSerializer->release(); //delete
> theSerializer; }
> catch(const XMLException& toCatch)
> {
> char *pMsg = XMLString::transcode(toCatch.getMessage());
> XMLString::release(&pMsg);
>
> }
> return sXML;
> }
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